#C73E37#C73E37

#C73E37 is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.2% C 0.175 H 27.2°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#C73E37
RGB	rgb(199, 62, 55)
HSL	hsl(3, 57%, 50%)
HSV	hsv(3, 72%, 78%)
CMYK	cmyk(0%, 68.8%, 72.4%, 22%)
CIE-LAB	lab(46.80, 53.76, 35.21)
CIE-LCH	lch(46.80, 64.26, 33.22°)
OKLab	oklab(56.2% 0.1555 0.0799)
OKLCH	oklch(56.2% 0.175 27.2)
XYZ	xyz(25.9683, 15.8670, 5.3090)
Luminance	0.1586 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73E37 #37C0C7

analogous

#C73778 #C73E37 #C78637

triadic

#C73E37 #37C73E #3E37C7

tetradic

#C73E37 #78C737 #37C0C7 #8637C7

square

#C73E37 #78C737 #37C0C7 #8637C7

split-complementary

#C73E37 #37C786 #3778C7

monochromatic

#67201C #972F2A #C73E37 #D56C66 #E29A96

Accessibility & contrast

On white

5.03

#C73E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#C73E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73E37

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73E37	#FFFFFF	#000000	##FFFFFF
##C73E37	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#877A32

Tritanopia (blue-blind)

#DB113E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c73e37;
/* rgb */ color: rgb(199, 62, 55);
/* oklch */ color: oklch(56.2% 0.175 27.2);

Tailwind

colors: {
  custom: {
    50: '#e07b6e',
    500: '#c73e37',
    950: '#000000',
  },
}

SCSS

$custom: #c73e37;
$custom-light: #e07b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#c73e37",
  "rgb": {
    "r": 199,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 2.917,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56203,
    "c": 0.17479,
    "h": 27.2
  },
  "luminance": 0.15863
}

Semantic roles & 50–950 ramp

primary

#C73E37

secondary

#8CCACD

accent

#D9E048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73E37

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →